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View QualTek LLC's top competitors like American Tower, Centro Operacional Nextel, and Corning Incorporated.

Corning Incorporated
Corning is one of the world's leading innovators in materials science, with a 170+ year track record of life-changing inventions. Corning applies its unparalleled expertise in glass science, ceramics science, and optical physics along with its deep manufacturing and engineering capabilities to develop category-defining products that transform industries and enhance people's lives. Corning succeeds through sustained investment in RD&E, a unique combination of material and process innovation, and deep, trust-based relationships with customers who are global leaders in their industries. Corning's capabilities are versatile and synergistic, which allows the company to evolve to meet changing market needs, while also helping our customers capture new opportunities in dynamic industries. Today, Corning's markets include optical communications, mobile consumer electronics, display technology, automotive, and life sciences vessels. Corning's industry-leading products include damage-resistant cover glass for mobile devices; precision glass for advanced displays; optical fiber, wireless technologies, and connectivity solutions for state-of-the-art communications networks; trusted products to accelerate drug discovery and delivery; and clean-air technologies for cars and trucks. Terms of Use: http://ow.ly/ObPiI
Corning, New York, US
Public
$12.4B Revenue
https://www.corning.com
22.9K Employees
GLW Ticker
Level 3 Communications
Notice: Level 3 Communications is no longer active and this page remains available for historical reference only. No new content is published, and comments and messages are not monitored.
Broomfield, Colorado, US
Public
$8.2B Revenue
http://www.level3.com
6.6K Employees
LVLT Ticker
MasTec
MasTec companies have been involved in some of the largest and most complex infrastructure construction projects across the country. Our experience has given us a deep and comprehensive understanding of the markets we serve, as well as the ability to effectively manage people, projects and equipment; proactively identify challenges; avoid pitfalls; and overcome obstacles to meet expectations for schedule and budget. With offices across North America, a workforce of nearly 36,000 skilled professionals and an extensive wholly-owned fleet of specialized construction equipment, MasTec has the resources needed to handle even the most complicated jobs. Our geographic reach, scalability and overall financial stability also enable us to meet our customers' changing needs. As a culture, our focus on innovation and smart solutions influences everything we do. We continually seek ways to improve efficiency—both in our projects and within our organization. Our commitment to staying at the forefront of safety and environmentally responsible construction ensures we deliver quality work and dependable service. Additionally, MasTec is currently certified as a Minority-Controlled Company by the National Minority Suppliers Development Council (NMSDC). This certification allows MasTec to be recognized as a minority contractor throughout the United States and across a range of industries that we serve.
Coral Gables, Florida, US
Public
$12.2B Revenue
http://www.mastec.com
5.2K Employees
MTZ Ticker
G2 Leader Summer 2026 G2 Best Est ROI Mid-Market Summer 2026 G2 Easiest Admin Mid-Market Summer 2026 G2 Most Implementable Summer 2026 G2 Best Results Mid-Market Summer 2026 G2 Lead Capture Mid-Market Summer 2026 Inc Fastest Growing Private Companies 2026 Inc Best Workplace 2026
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